Home / 2,938.27-4,398.87-2,287.03

Finding the Fourth Proportional to 2,938.27, 4,398.87 and 2,287.03

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Solution

The fourth proportional to 2,938.27, 4,398.87 and 2,287.03 is: 3,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.27 : 4,398.87 = 2,287.03 : x
  2. Step 2: Convert to fraction form
    2,938.27/4,398.87 = 2,287.03/x
  3. Step 3: Cross multiply
    2,938.27x = 4,398.87 × 2,287.03
  4. Step 4: Simplify right side
    2,938.27x = 10,060,347.66
  5. Step 5: Solve for x
    x = 10,060,347.66/2,938.27
  6. Step 6: Final answer
    x = 3,423.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.